1447
1374
ret = avahi_simple_poll_iterate(s, (int)block_time);
1450
if(ret > 0 or errno != EINTR){
1377
if (ret > 0 or errno != EINTR){
1451
1378
return (ret != 1) ? ret : 0;
1457
/* Set effective uid to 0, return errno */
1458
__attribute__((warn_unused_result))
1459
error_t raise_privileges(void){
1460
error_t old_errno = errno;
1461
error_t ret_errno = 0;
1462
if(seteuid(0) == -1){
1469
/* Set effective and real user ID to 0. Return errno. */
1470
__attribute__((warn_unused_result))
1471
error_t raise_privileges_permanently(void){
1472
error_t old_errno = errno;
1473
error_t ret_errno = raise_privileges();
1478
if(setuid(0) == -1){
1485
/* Set effective user ID to unprivileged saved user ID */
1486
__attribute__((warn_unused_result))
1487
error_t lower_privileges(void){
1488
error_t old_errno = errno;
1489
error_t ret_errno = 0;
1490
if(seteuid(uid) == -1){
1497
/* Lower privileges permanently */
1498
__attribute__((warn_unused_result))
1499
error_t lower_privileges_permanently(void){
1500
error_t old_errno = errno;
1501
error_t ret_errno = 0;
1502
if(setuid(uid) == -1){
1509
__attribute__((nonnull))
1510
void run_network_hooks(const char *mode, const char *interface,
1384
bool run_network_hooks(const char *mode, const char *interface,
1511
1385
const float delay){
1512
struct dirent **direntries = NULL;
1513
if(hookdir_fd == -1){
1514
hookdir_fd = open(hookdir, O_RDONLY);
1515
if(hookdir_fd == -1){
1516
if(errno == ENOENT){
1518
fprintf_plus(stderr, "Network hook directory \"%s\" not"
1519
" found\n", hookdir);
1522
perror_plus("open");
1528
#if __GLIBC_PREREQ(2, 15)
1529
int numhooks = scandirat(hookdir_fd, ".", &direntries,
1530
runnable_hook, alphasort);
1531
#else /* not __GLIBC_PREREQ(2, 15) */
1532
int numhooks = scandir(hookdir, &direntries, runnable_hook,
1534
#endif /* not __GLIBC_PREREQ(2, 15) */
1535
#else /* not __GLIBC__ */
1536
int numhooks = scandir(hookdir, &direntries, runnable_hook,
1538
#endif /* not __GLIBC__ */
1386
struct dirent **direntries;
1387
struct dirent *direntry;
1389
int numhooks = scandir(hookdir, &direntries, runnable_hook,
1539
1391
if(numhooks == -1){
1540
1392
perror_plus("scandir");
1543
struct dirent *direntry;
1545
int devnull = open("/dev/null", O_RDONLY);
1546
for(int i = 0; i < numhooks; i++){
1547
direntry = direntries[i];
1549
fprintf_plus(stderr, "Running network hook \"%s\"\n",
1552
pid_t hook_pid = fork();
1555
/* Raise privileges */
1556
errno = raise_privileges_permanently();
1558
perror_plus("Failed to raise privileges");
1565
perror_plus("setgid");
1568
/* Reset supplementary groups */
1570
ret = setgroups(0, NULL);
1572
perror_plus("setgroups");
1575
ret = dup2(devnull, STDIN_FILENO);
1577
perror_plus("dup2(devnull, STDIN_FILENO)");
1580
ret = close(devnull);
1582
perror_plus("close");
1585
ret = dup2(STDERR_FILENO, STDOUT_FILENO);
1587
perror_plus("dup2(STDERR_FILENO, STDOUT_FILENO)");
1590
ret = setenv("MANDOSNETHOOKDIR", hookdir, 1);
1592
perror_plus("setenv");
1595
ret = setenv("DEVICE", interface, 1);
1597
perror_plus("setenv");
1600
ret = setenv("VERBOSITY", debug ? "1" : "0", 1);
1602
perror_plus("setenv");
1605
ret = setenv("MODE", mode, 1);
1607
perror_plus("setenv");
1611
ret = asprintf(&delaystring, "%f", (double)delay);
1394
int devnull = open("/dev/null", O_RDONLY);
1395
for(int i = 0; i < numhooks; i++){
1396
direntry = direntries[i];
1397
char *fullname = NULL;
1398
ret = asprintf(&fullname, "%s/%s", hookdir, direntry->d_name);
1613
1400
perror_plus("asprintf");
1616
ret = setenv("DELAY", delaystring, 1);
1404
fprintf_plus(stderr, "Running network hook \"%s\"\n",
1407
pid_t hook_pid = fork();
1410
/* Raise privileges */
1414
perror_plus("seteuid");
1416
/* Raise privileges even more */
1420
perror_plus("setuid");
1426
perror_plus("setgid");
1428
/* Reset supplementary groups */
1430
ret = setgroups(0, NULL);
1432
perror_plus("setgroups");
1434
dup2(devnull, STDIN_FILENO);
1436
dup2(STDERR_FILENO, STDOUT_FILENO);
1437
ret = setenv("MANDOSNETHOOKDIR", hookdir, 1);
1439
perror_plus("setenv");
1442
ret = setenv("DEVICE", interface, 1);
1444
perror_plus("setenv");
1447
ret = setenv("VERBOSE", debug ? "1" : "0", 1);
1449
perror_plus("setenv");
1452
ret = setenv("MODE", mode, 1);
1454
perror_plus("setenv");
1458
ret = asprintf(&delaystring, "%f", delay);
1460
perror_plus("asprintf");
1463
ret = setenv("DELAY", delaystring, 1);
1466
perror_plus("setenv");
1618
1469
free(delaystring);
1619
perror_plus("setenv");
1623
if(connect_to != NULL){
1624
ret = setenv("CONNECT", connect_to, 1);
1626
perror_plus("setenv");
1630
int hook_fd = openat(hookdir_fd, direntry->d_name, O_RDONLY);
1632
perror_plus("openat");
1633
_exit(EXIT_FAILURE);
1635
if((int)TEMP_FAILURE_RETRY(close(hookdir_fd)) == -1){
1636
perror_plus("close");
1637
_exit(EXIT_FAILURE);
1639
if(fexecve(hook_fd, (char *const []){ direntry->d_name, NULL },
1641
perror_plus("fexecve");
1642
_exit(EXIT_FAILURE);
1646
if(TEMP_FAILURE_RETRY(waitpid(hook_pid, &status, 0)) == -1){
1647
perror_plus("waitpid");
1650
if(WIFEXITED(status)){
1651
if(WEXITSTATUS(status) != 0){
1652
fprintf_plus(stderr, "Warning: network hook \"%s\" exited"
1653
" with status %d\n", direntry->d_name,
1654
WEXITSTATUS(status));
1657
} else if(WIFSIGNALED(status)){
1658
fprintf_plus(stderr, "Warning: network hook \"%s\" died by"
1659
" signal %d\n", direntry->d_name,
1663
fprintf_plus(stderr, "Warning: network hook \"%s\""
1664
" crashed\n", direntry->d_name);
1669
fprintf_plus(stderr, "Network hook \"%s\" ran successfully\n",
1674
if((int)TEMP_FAILURE_RETRY(close(hookdir_fd)) == -1){
1675
perror_plus("close");
1682
__attribute__((nonnull, warn_unused_result))
1683
error_t bring_up_interface(const char *const interface,
1685
error_t old_errno = errno;
1687
struct ifreq network;
1688
unsigned int if_index = if_nametoindex(interface);
1690
fprintf_plus(stderr, "No such interface: \"%s\"\n", interface);
1700
if(not interface_is_up(interface)){
1701
error_t ret_errno = 0, ioctl_errno = 0;
1702
if(not get_flags(interface, &network)){
1704
fprintf_plus(stderr, "Failed to get flags for interface "
1705
"\"%s\"\n", interface);
1709
network.ifr_flags |= IFF_UP; /* set flag */
1711
int sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1714
perror_plus("socket");
1720
ret = (int)TEMP_FAILURE_RETRY(close(sd));
1722
perror_plus("close");
1729
fprintf_plus(stderr, "Bringing up interface \"%s\"\n",
1733
/* Raise privileges */
1734
ret_errno = raise_privileges();
1737
perror_plus("Failed to raise privileges");
1742
bool restore_loglevel = false;
1744
/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1745
messages about the network interface to mess up the prompt */
1746
ret_linux = klogctl(8, NULL, 5);
1747
if(ret_linux == -1){
1748
perror_plus("klogctl");
1750
restore_loglevel = true;
1753
#endif /* __linux__ */
1754
int ret_setflags = ioctl(sd, SIOCSIFFLAGS, &network);
1755
ioctl_errno = errno;
1757
if(restore_loglevel){
1758
ret_linux = klogctl(7, NULL, 0);
1759
if(ret_linux == -1){
1760
perror_plus("klogctl");
1763
#endif /* __linux__ */
1765
/* If raise_privileges() succeeded above */
1767
/* Lower privileges */
1768
ret_errno = lower_privileges();
1771
perror_plus("Failed to lower privileges");
1775
/* Close the socket */
1776
ret = (int)TEMP_FAILURE_RETRY(close(sd));
1778
perror_plus("close");
1781
if(ret_setflags == -1){
1782
errno = ioctl_errno;
1783
perror_plus("ioctl SIOCSIFFLAGS +IFF_UP");
1788
fprintf_plus(stderr, "Interface \"%s\" is already up; good\n",
1792
/* Sleep checking until interface is running.
1793
Check every 0.25s, up to total time of delay */
1794
for(int i=0; i < delay * 4; i++){
1795
if(interface_is_running(interface)){
1798
struct timespec sleeptime = { .tv_nsec = 250000000 };
1799
ret = nanosleep(&sleeptime, NULL);
1800
if(ret == -1 and errno != EINTR){
1801
perror_plus("nanosleep");
1809
__attribute__((nonnull, warn_unused_result))
1810
error_t take_down_interface(const char *const interface){
1811
error_t old_errno = errno;
1812
struct ifreq network;
1813
unsigned int if_index = if_nametoindex(interface);
1815
fprintf_plus(stderr, "No such interface: \"%s\"\n", interface);
1819
if(interface_is_up(interface)){
1820
error_t ret_errno = 0, ioctl_errno = 0;
1821
if(not get_flags(interface, &network) and debug){
1823
fprintf_plus(stderr, "Failed to get flags for interface "
1824
"\"%s\"\n", interface);
1828
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
1830
int sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1833
perror_plus("socket");
1839
fprintf_plus(stderr, "Taking down interface \"%s\"\n",
1843
/* Raise privileges */
1844
ret_errno = raise_privileges();
1847
perror_plus("Failed to raise privileges");
1850
int ret_setflags = ioctl(sd, SIOCSIFFLAGS, &network);
1851
ioctl_errno = errno;
1853
/* If raise_privileges() succeeded above */
1855
/* Lower privileges */
1856
ret_errno = lower_privileges();
1859
perror_plus("Failed to lower privileges");
1863
/* Close the socket */
1864
int ret = (int)TEMP_FAILURE_RETRY(close(sd));
1866
perror_plus("close");
1869
if(ret_setflags == -1){
1870
errno = ioctl_errno;
1871
perror_plus("ioctl SIOCSIFFLAGS -IFF_UP");
1876
fprintf_plus(stderr, "Interface \"%s\" is already down; odd\n",
1470
ret = execl(fullname, direntry->d_name, mode, NULL);
1471
perror_plus("execl");
1474
if(TEMP_FAILURE_RETRY(waitpid(hook_pid, &status, 0)) == -1){
1475
perror_plus("waitpid");
1479
if(WIFEXITED(status)){
1480
if(WEXITSTATUS(status) != 0){
1481
fprintf_plus(stderr, "Warning: network hook \"%s\" exited"
1482
" with status %d\n", direntry->d_name,
1483
WEXITSTATUS(status));
1487
} else if(WIFSIGNALED(status)){
1488
fprintf_plus(stderr, "Warning: network hook \"%s\" died by"
1489
" signal %d\n", direntry->d_name,
1494
fprintf_plus(stderr, "Warning: network hook \"%s\""
1495
" crashed\n", direntry->d_name);
1502
fprintf_plus(stderr, "Network hook \"%s\" ran successfully\n",
1884
1511
int main(int argc, char *argv[]){
1885
mandos_context mc = { .server = NULL, .dh_bits = 1024,
1886
.priority = "SECURE256:!CTYPE-X.509:"
1887
"+CTYPE-OPENPGP", .current_server = NULL,
1888
.interfaces = NULL, .interfaces_size = 0 };
1889
1512
AvahiSServiceBrowser *sb = NULL;
1892
1515
intmax_t tmpmax;
1894
1517
int exitcode = EXIT_SUCCESS;
1895
char *interfaces_to_take_down = NULL;
1896
size_t interfaces_to_take_down_size = 0;
1897
char run_tempdir[] = "/run/tmp/mandosXXXXXX";
1898
char old_tempdir[] = "/tmp/mandosXXXXXX";
1899
char *tempdir = NULL;
1518
const char *interface = "";
1519
struct ifreq network;
1521
bool take_down_interface = false;
1524
char tempdir[] = "/tmp/mandosXXXXXX";
1525
bool tempdir_created = false;
1900
1526
AvahiIfIndex if_index = AVAHI_IF_UNSPEC;
1901
1527
const char *seckey = PATHDIR "/" SECKEY;
1902
1528
const char *pubkey = PATHDIR "/" PUBKEY;
1903
char *interfaces_hooks = NULL;
1905
1530
bool gnutls_initialized = false;
1906
1531
bool gpgme_initialized = false;
2137
1760
/* Lower privileges */
2138
ret_errno = lower_privileges();
2141
perror_plus("Failed to lower privileges");
2146
/* Remove invalid interface names (except "none") */
2148
char *interface = NULL;
2149
while((interface = argz_next(mc.interfaces, mc.interfaces_size,
2151
if(strcmp(interface, "none") != 0
2152
and if_nametoindex(interface) == 0){
2153
if(interface[0] != '\0'){
2154
fprintf_plus(stderr, "Not using nonexisting interface"
2155
" \"%s\"\n", interface);
2157
argz_delete(&mc.interfaces, &mc.interfaces_size, interface);
1764
perror_plus("seteuid");
2163
1769
/* Run network hooks */
2165
if(mc.interfaces != NULL){
2166
interfaces_hooks = malloc(mc.interfaces_size);
2167
if(interfaces_hooks == NULL){
2168
perror_plus("malloc");
2171
memcpy(interfaces_hooks, mc.interfaces, mc.interfaces_size);
2172
argz_stringify(interfaces_hooks, mc.interfaces_size, (int)',');
2174
run_network_hooks("start", interfaces_hooks != NULL ?
2175
interfaces_hooks : "", delay);
1770
if(not run_network_hooks("start", interface, delay)){
2179
1775
avahi_set_log_function(empty_log);
1778
if(interface[0] == '\0'){
1779
struct dirent **direntries;
1780
/* First look for interfaces that are up */
1781
ret = scandir(sys_class_net, &direntries, up_interface,
1784
/* No up interfaces, look for any good interfaces */
1786
ret = scandir(sys_class_net, &direntries, good_interface,
1790
/* Pick the first interface returned */
1791
interface = strdup(direntries[0]->d_name);
1793
fprintf_plus(stderr, "Using interface \"%s\"\n", interface);
1795
if(interface == NULL){
1796
perror_plus("malloc");
1798
exitcode = EXIT_FAILURE;
1804
fprintf_plus(stderr, "Could not find a network interface\n");
1805
exitcode = EXIT_FAILURE;
2182
1810
/* Initialize Avahi early so avahi_simple_poll_quit() can be called
2183
1811
from the signal handler */
2184
1812
/* Initialize the pseudo-RNG for Avahi */
2185
1813
srand((unsigned int) time(NULL));
2186
simple_poll = avahi_simple_poll_new();
2187
if(simple_poll == NULL){
1814
mc.simple_poll = avahi_simple_poll_new();
1815
if(mc.simple_poll == NULL){
2188
1816
fprintf_plus(stderr,
2189
1817
"Avahi: Failed to create simple poll object.\n");
2190
1818
exitcode = EX_UNAVAILABLE;
2257
/* If no interfaces were specified, make a list */
2258
if(mc.interfaces == NULL){
2259
struct dirent **direntries = NULL;
2260
/* Look for any good interfaces */
2261
ret = scandir(sys_class_net, &direntries, good_interface,
2264
/* Add all found interfaces to interfaces list */
2265
for(int i = 0; i < ret; ++i){
2266
ret_errno = argz_add(&mc.interfaces, &mc.interfaces_size,
2267
direntries[i]->d_name);
2270
perror_plus("argz_add");
2274
fprintf_plus(stderr, "Will use interface \"%s\"\n",
2275
direntries[i]->d_name);
2283
fprintf_plus(stderr, "Could not find a network interface\n");
2284
exitcode = EXIT_FAILURE;
2289
/* Bring up interfaces which are down, and remove any "none"s */
2291
char *interface = NULL;
2292
while((interface = argz_next(mc.interfaces, mc.interfaces_size,
2294
/* If interface name is "none", stop bringing up interfaces.
2295
Also remove all instances of "none" from the list */
2296
if(strcmp(interface, "none") == 0){
2297
argz_delete(&mc.interfaces, &mc.interfaces_size,
2300
while((interface = argz_next(mc.interfaces,
2301
mc.interfaces_size, interface))){
2302
if(strcmp(interface, "none") == 0){
2303
argz_delete(&mc.interfaces, &mc.interfaces_size,
1885
/* If the interface is down, bring it up */
1886
if(strcmp(interface, "none") != 0){
1887
if_index = (AvahiIfIndex) if_nametoindex(interface);
1889
fprintf_plus(stderr, "No such interface: \"%s\"\n", interface);
1890
exitcode = EX_UNAVAILABLE;
1898
/* Re-raise priviliges */
1902
perror_plus("seteuid");
1906
/* Lower kernel loglevel to KERN_NOTICE to avoid KERN_INFO
1907
messages about the network interface to mess up the prompt */
1908
ret = klogctl(8, NULL, 5);
1909
bool restore_loglevel = true;
1911
restore_loglevel = false;
1912
perror_plus("klogctl");
1914
#endif /* __linux__ */
1916
sd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);
1918
perror_plus("socket");
1919
exitcode = EX_OSERR;
1921
if(restore_loglevel){
1922
ret = klogctl(7, NULL, 0);
1924
perror_plus("klogctl");
1927
#endif /* __linux__ */
1928
/* Lower privileges */
1932
perror_plus("seteuid");
1936
strcpy(network.ifr_name, interface);
1937
ret = ioctl(sd, SIOCGIFFLAGS, &network);
1939
perror_plus("ioctl SIOCGIFFLAGS");
1941
if(restore_loglevel){
1942
ret = klogctl(7, NULL, 0);
1944
perror_plus("klogctl");
1947
#endif /* __linux__ */
1948
exitcode = EX_OSERR;
1949
/* Lower privileges */
1953
perror_plus("seteuid");
1957
if((network.ifr_flags & IFF_UP) == 0){
1958
network.ifr_flags |= IFF_UP;
1959
take_down_interface = true;
1960
ret = ioctl(sd, SIOCSIFFLAGS, &network);
1962
take_down_interface = false;
1963
perror_plus("ioctl SIOCSIFFLAGS +IFF_UP");
1964
exitcode = EX_OSERR;
1966
if(restore_loglevel){
1967
ret = klogctl(7, NULL, 0);
1969
perror_plus("klogctl");
1972
#endif /* __linux__ */
1973
/* Lower privileges */
1977
perror_plus("seteuid");
1982
/* Sleep checking until interface is running.
1983
Check every 0.25s, up to total time of delay */
1984
for(int i=0; i < delay * 4; i++){
1985
ret = ioctl(sd, SIOCGIFFLAGS, &network);
1987
perror_plus("ioctl SIOCGIFFLAGS");
1988
} else if(network.ifr_flags & IFF_RUNNING){
2310
bool interface_was_up = interface_is_up(interface);
2311
errno = bring_up_interface(interface, delay);
2312
if(not interface_was_up){
2314
perror_plus("Failed to bring up interface");
2316
errno = argz_add(&interfaces_to_take_down,
2317
&interfaces_to_take_down_size,
2320
perror_plus("argz_add");
2325
if(debug and (interfaces_to_take_down == NULL)){
2326
fprintf_plus(stderr, "No interfaces were brought up\n");
2330
/* If we only got one interface, explicitly use only that one */
2331
if(argz_count(mc.interfaces, mc.interfaces_size) == 1){
2333
fprintf_plus(stderr, "Using only interface \"%s\"\n",
2336
if_index = (AvahiIfIndex)if_nametoindex(mc.interfaces);
1991
struct timespec sleeptime = { .tv_nsec = 250000000 };
1992
ret = nanosleep(&sleeptime, NULL);
1993
if(ret == -1 and errno != EINTR){
1994
perror_plus("nanosleep");
1997
if(not take_down_interface){
1998
/* We won't need the socket anymore */
1999
ret = (int)TEMP_FAILURE_RETRY(close(sd));
2001
perror_plus("close");
2005
if(restore_loglevel){
2006
/* Restores kernel loglevel to default */
2007
ret = klogctl(7, NULL, 0);
2009
perror_plus("klogctl");
2012
#endif /* __linux__ */
2013
/* Lower privileges */
2015
/* Lower privileges */
2018
perror_plus("seteuid");
2343
ret = init_gnutls_global(pubkey, seckey, &mc);
2026
ret = init_gnutls_global(pubkey, seckey);
2345
2028
fprintf_plus(stderr, "init_gnutls_global failed\n");
2346
2029
exitcode = EX_UNAVAILABLE;
2557
/* Re-raise privileges */
2228
/* Run network hooks */
2229
run_network_hooks("stop", interface, delay);
2231
/* Re-raise priviliges */
2559
ret_errno = raise_privileges();
2562
perror_plus("Failed to raise privileges");
2565
/* Run network hooks */
2566
run_network_hooks("stop", interfaces_hooks != NULL ?
2567
interfaces_hooks : "", delay);
2569
/* Take down the network interfaces which were brought up */
2571
char *interface = NULL;
2572
while((interface=argz_next(interfaces_to_take_down,
2573
interfaces_to_take_down_size,
2575
ret_errno = take_down_interface(interface);
2578
perror_plus("Failed to take down interface");
2581
if(debug and (interfaces_to_take_down == NULL)){
2582
fprintf_plus(stderr, "No interfaces needed to be taken"
2236
perror_plus("seteuid");
2588
ret_errno = lower_privileges_permanently();
2591
perror_plus("Failed to lower privileges permanently");
2239
/* Take down the network interface */
2240
if(take_down_interface and geteuid() == 0){
2241
ret = ioctl(sd, SIOCGIFFLAGS, &network);
2243
perror_plus("ioctl SIOCGIFFLAGS");
2244
} else if(network.ifr_flags & IFF_UP){
2245
network.ifr_flags &= ~(short)IFF_UP; /* clear flag */
2246
ret = ioctl(sd, SIOCSIFFLAGS, &network);
2248
perror_plus("ioctl SIOCSIFFLAGS -IFF_UP");
2251
ret = (int)TEMP_FAILURE_RETRY(close(sd));
2253
perror_plus("close");
2595
free(interfaces_to_take_down);
2596
free(interfaces_hooks);
2257
/* Lower privileges permanently */
2261
perror_plus("setuid");
2598
2264
/* Removes the GPGME temp directory and all files inside */
2599
if(tempdir != NULL){
2265
if(tempdir_created){
2600
2266
struct dirent **direntries = NULL;
2601
int tempdir_fd = (int)TEMP_FAILURE_RETRY(open(tempdir, O_RDONLY |
2603
if(tempdir_fd == -1){
2604
perror_plus("open");
2607
#if __GLIBC_PREREQ(2, 15)
2608
int numentries = scandirat(tempdir_fd, ".", &direntries,
2609
notdotentries, alphasort);
2610
#else /* not __GLIBC_PREREQ(2, 15) */
2611
int numentries = scandir(tempdir, &direntries, notdotentries,
2613
#endif /* not __GLIBC_PREREQ(2, 15) */
2614
#else /* not __GLIBC__ */
2615
int numentries = scandir(tempdir, &direntries, notdotentries,
2617
#endif /* not __GLIBC__ */
2618
if(numentries >= 0){
2619
for(int i = 0; i < numentries; i++){
2620
ret = unlinkat(tempdir_fd, direntries[i]->d_name, 0);
2622
fprintf_plus(stderr, "unlinkat(open(\"%s\", O_RDONLY),"
2623
" \"%s\", 0): %s\n", tempdir,
2624
direntries[i]->d_name, strerror(errno));
2628
/* need to clean even if 0 because man page doesn't specify */
2630
if(numentries == -1){
2631
perror_plus("scandir");
2633
ret = rmdir(tempdir);
2634
if(ret == -1 and errno != ENOENT){
2635
perror_plus("rmdir");
2267
struct dirent *direntry = NULL;
2268
int numentries = scandir(tempdir, &direntries, notdotentries,
2270
if (numentries > 0){
2271
for(int i = 0; i < numentries; i++){
2272
direntry = direntries[i];
2273
char *fullname = NULL;
2274
ret = asprintf(&fullname, "%s/%s", tempdir,
2277
perror_plus("asprintf");
2280
ret = remove(fullname);
2282
fprintf_plus(stderr, "remove(\"%s\"): %s\n", fullname,
2638
TEMP_FAILURE_RETRY(close(tempdir_fd));
2289
/* need to clean even if 0 because man page doesn't specify */
2291
if (numentries == -1){
2292
perror_plus("scandir");
2294
ret = rmdir(tempdir);
2295
if(ret == -1 and errno != ENOENT){
2296
perror_plus("rmdir");